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This process was developed by the St. Joseph Mineral Company in 1930, and is the only pyrometallurgical process still used in the US to smelt zinc. The advantage of this system is that it is able to smelt a wide variety of zinc-bearing materials, including electric arc furnace dust. The disadvantage of this process is ... | 1 | Applied and Interdisciplinary Chemistry |
The Jameson Cell is used to recover the organic solvent in solvent extraction – electrowinning plants from both the electrolyte and raffinate streams.
Contamination of the electrolyte increases operating costs and reduces the quality of the copper product. Any solvent remaining in the raffinate stream represents a los... | 1 | Applied and Interdisciplinary Chemistry |
Stereochemistry also plays a role assigning faces to trigonal molecules such as ketones. A nucleophile in a nucleophilic addition can approach the carbonyl group from two opposite sides or faces. When an achiral nucleophile attacks acetone, both faces are identical and there is only one reaction product. When the nucle... | 0 | Theoretical and Fundamental Chemistry |
Imidazol-2-ylidenes, triazol-5-ylidenes (and less so, diaminocarbenes) have been shown to coordinate to a plethora of elements, from alkali metals, main group elements, transition metals and even lanthanides and actinides. A periodic table of elements gives some idea of the complexes which have been prepared, and in ma... | 0 | Theoretical and Fundamental Chemistry |
Bioreactor landfills being a novel technology are still in the development phase and are being studied in the laboratory-scale. Pilot projects for bioreactor landfills are showing promise and more are being experimented with in different parts of the world. Despite the potential benefits of bioreactor landfills there a... | 1 | Applied and Interdisciplinary Chemistry |
In the time-independent formalism of quantum scattering, the initial wave function (before scattering) is taken to be a plane wave with definite momentum :
where and are the relative coordinates between the projectile and the target. The arrow indicates that this only describes the asymptotic behavior of the wave fun... | 0 | Theoretical and Fundamental Chemistry |
The Tsuji–Trost reaction (also called the Trost allylic alkylation or allylic alkylation) is a palladium-catalysed substitution reaction involving a substrate that contains a leaving group in an allylic position. The palladium catalyst first coordinates with the allyl group and then undergoes oxidative addition, formin... | 0 | Theoretical and Fundamental Chemistry |
A Kurie plot (also known as a Fermi–Kurie plot) is a graph used in studying beta decay developed by Franz N. D. Kurie, in which the square root of the number of beta particles whose momenta (or energy) lie within a certain narrow range, divided by the Fermi function, is plotted against beta-particle energy. It is a str... | 0 | Theoretical and Fundamental Chemistry |
Plastid types in algae and protists include:
* Chloroplasts: found in green algae (plants) and other organisms that derived their genomes from green algae.
* Muroplasts: also known as cyanoplasts or cyanelles, the plastids of glaucophyte algae are similar to plant chloroplasts, excepting they have a peptidoglycan cell ... | 0 | Theoretical and Fundamental Chemistry |
Multi-parametric surface plasmon resonance, a special configuration of SPR, can be used to characterize layers and stacks of layers. Besides binding kinetics, MP-SPR can also provide information on structural changes in terms of layer true thickness and refractive index. MP-SPR has been applied successfully in measurem... | 0 | Theoretical and Fundamental Chemistry |
The opportunity provided by the use of glass in concrete is a potential solution that uses circular economy principles to unlock value and create new business opportunities: first, by finding a use for glass of higher value than landfill, and second by decreasing the negative externalities of the construction sector. ... | 0 | Theoretical and Fundamental Chemistry |
The pyrolysis (thermal decomposition) of acetaldehyde, CHCHO (g) → CH (g) + CO (g), proceeds via the Rice-Herzfeld mechanism:
*Initiation (formation of free radicals):
: CHCHO (g) → •CH (g) + •CHO (g) k
The methyl and CHO groups are free radicals.
*Propagation (two steps):
: •CH (g) + CHCHO (g) → CH (g) ... | 0 | Theoretical and Fundamental Chemistry |
The specific study of the ferrous compounds (those including iron, Fe) used in the past. Iron metal was first encountered in meteorites, and was later extracted from iron ores to create wrought iron which was never fully molten, and later, cast iron. Iron combined with carbon formed steel, allowing people to develop su... | 1 | Applied and Interdisciplinary Chemistry |
Steroid 5α-reductase is a membrane-associated enzyme in an oxidoreductase family and has an important role in biological actions towards steroid metabolism. If the steroid 5α-reductase is overexpressed it causes overproduction of DHT that can lead to androgenic disorders in humans.
The 5α-reductase isozymes possess a s... | 1 | Applied and Interdisciplinary Chemistry |
Major places where cavitation occurs are in pumps, on propellers, or at restrictions in a flowing liquid.
As an impellers (in a pump) or propellers (as in the case of a ship or submarine) blades move through a fluid, low-pressure areas are formed as the fluid accelerates around and moves past the blades. The faster the... | 1 | Applied and Interdisciplinary Chemistry |
* Acid value
* Bromine number
* Amine value
* Epoxy value
* Iodine value
* Peroxide value
* Saponification value | 0 | Theoretical and Fundamental Chemistry |
Translational control is critical for the development and survival of cancer. Cancer cells must frequently regulate the translation phase of gene expression, though it is not fully understood why translation is targeted over steps like transcription. While cancer cells often have genetically altered translation factors... | 1 | Applied and Interdisciplinary Chemistry |
Taken over all species and experiments, high light does not affect the organic nitrogen concentration, but decreases the concentration of chlorophyll and minerals. It increases the concentration of starch and sugars, soluble phenolics, and also the xanthophyll/chlorophyll ratio and the chlorophyll a/b ratio. | 0 | Theoretical and Fundamental Chemistry |
Charles James (27 April 1880 – 10 December 1928) was a chemist of British origin working in the United States. He became a professor and head of the chemistry department at the New Hampshire College of Agriculture and the Mechanic Arts (now the University of New Hampshire) in Durham, New Hampshire, US.
James developed ... | 1 | Applied and Interdisciplinary Chemistry |
GenGIS merges geographic, ecological and phylogenetic biodiversity data in a single interactive visualization and analysis environment. A key feature of GenGIS is the testing of geographic axes that can correspond to routes of migration or gradients that influence community similarity. Data can also be explored using g... | 1 | Applied and Interdisciplinary Chemistry |
Chemical-based transfection can be divided into several kinds: cyclodextrin, polymers, liposomes, or nanoparticles (with or without chemical or viral functionalization. See below).
*One of the cheapest methods uses calcium phosphate, originally discovered by F. L. Graham and A. J. van der Eb in 1973 (see also). HEPES-... | 1 | Applied and Interdisciplinary Chemistry |
Bis(trimethylsilyl)amine is synthesized by treatment of trimethylsilyl chloride with ammonia:
:2 (CH)SiCl + 3 NH → [(CH)Si]NH + 2 NHCl
Ammonium nitrate together with triethylamine can be used instead. This method is also useful for N isotopic enrichment of HMDS.
Alkali metal bis(trimethylsilyl)amides result from the de... | 0 | Theoretical and Fundamental Chemistry |
Anthropogenic changes to the natural greenhouse effect are sometimes referred to as the enhanced greenhouse effect.
This table shows the most important contributions to the overall greenhouse effect, without which the average temperature of Earths surface would be about , instead of around . This table also specifies ... | 1 | Applied and Interdisciplinary Chemistry |
The Warburg–Christian method is an ultraviolet spectroscopic protein and nucleic acid assay method based on the absorbance of UV light at 260 nm and 280 nm wavelengths. Proteins generally absorb light at 280 nanometers due to the presence of tryptophan and tyrosine. Nucleic acids absorb more at 260 nm, primarily due ... | 0 | Theoretical and Fundamental Chemistry |
Nitrogen, unlike its neighbor carbon, is much less likely to form chains that are stable at room temperature. Some examples of which are solid nitrogen, triazane, azide anion and triazoles. Even longer series with eight nitrogen atoms or more, such as 1,1'-Azobis-1,2,3-triazole, have been synthesized. These compounds h... | 0 | Theoretical and Fundamental Chemistry |
Exome sequencing, also known as whole exome sequencing (WES), is a genomic technique for sequencing all of the protein-coding regions of genes in a genome (known as the exome). It consists of two steps: the first step is to select only the subset of DNA that encodes proteins. These regions are known as exons—humans hav... | 1 | Applied and Interdisciplinary Chemistry |
Source:
* Kern Prize of the ETH Zurich (1949)
* Werner Prize of the Swiss Chemical Society (1956)
* Ruzicka Prize of the ETH Zurich (1958)
* Ernest Guenther Award (1966)
* Austrian Cross of Honour for Science and Art (1974)
* Welch Award (1974)
* Kirkwood Medal, Yale University (1976)
* Davy Medal (1978)
* Tetrahedron ... | 0 | Theoretical and Fundamental Chemistry |
A very convenient way to get a quantitative understanding of the throttling process is by using diagrams such as h-T diagrams, h-P diagrams, and others. Commonly used are the so-called T-s diagrams. Figure 2 shows the T-s diagram of nitrogen as an example. Various points are indicated as follows:
As shown before, throt... | 0 | Theoretical and Fundamental Chemistry |
Condition three relates to the non-decomposability of an elementary mode and is partly what makes elementary modes interesting. The two other important features as indicated before are pathway uniqueness and thermodynamic plausibility. Decomposition implies that it is possible to represent a mode as a combination of tw... | 1 | Applied and Interdisciplinary Chemistry |
Microspheres are hollow, micron-sized carriers often formed via self-assembly of polymeric compounds which are most often used to encapsulate the active drug for delivery. Drug release is often achieved by diffusion through pores in the microsphere structure or by degradation of the microsphere shell. Some of the resea... | 1 | Applied and Interdisciplinary Chemistry |
The activity coefficient of component i is found by differentiation of the excess Gibbs energy towards x.
This yields, when applied only to the first term and using the Gibbs–Duhem equation,:
In here A and A are constants which are equal to the logarithm of the limiting activity coefficients: and respectively.
When ... | 0 | Theoretical and Fundamental Chemistry |
Carbon monoxide bonds to transition metals using "synergistic pi* back-bonding". The M-C bonding has three components, giving rise to a partial triple bond. A sigma (σ) bond arises from overlap of the nonbonding (or weakly anti-bonding) sp-hybridized electron pair on carbon with a blend of d-, s-, and p-orbitals on the... | 0 | Theoretical and Fundamental Chemistry |
Acinetobacter anitratus, Acinetobacter calcoaceticus, Actinomyces odontolyticus, Aeromonas hydrophila, Bacteroides distasonis, Bacteroides uniformis, and Clostridium perfringens are generally susceptible to imipenem, while Acinetobacter baumannii, some Acinetobacter spp., Bacteroides fragilis, and Enterococcus faecali... | 0 | Theoretical and Fundamental Chemistry |
The liquid in the outer jacket is heated until no more air escapes from the side tube. Then, a graduated tube filled with water is inverted over the side tube dipping in a trough filled with water. A small quantity of substance is weighed exactly in a small stoppered bottle and is dropped in the Victor Meyer's tube an... | 0 | Theoretical and Fundamental Chemistry |
FCS almost always refers to the single point, single channel, temporal autocorrelation measurement, although the term "fluorescence correlation spectroscopy" out of its historical scientific context implies no such restriction. FCS has been extended in a number of variations by different researchers, with each extensio... | 0 | Theoretical and Fundamental Chemistry |
Plants produce chemicals at the injury site that signal the presence of damage and may help to reduce further damage. The chemicals involved depend to some extent on the plant species, though several of them are shared among species; and the signals given depend on the cause of the injury. Plants injured by spider mite... | 1 | Applied and Interdisciplinary Chemistry |
A complete description of hypervalent molecules arises from consideration of molecular orbital theory through quantum mechanical methods. An LCAO in, for example, sulfur hexafluoride, taking a basis set of the one sulfur 3s-orbital, the three sulfur 3p-orbitals, and six octahedral geometry symmetry-adapted linear combi... | 0 | Theoretical and Fundamental Chemistry |
The BASF-oxo process starts mostly with higher olefins and relies on cobalt carbonyl-based catalyst. By conducting the reaction at low temperatures, one observes increased selectivity favoring the linear product. The process is carried out at a pressure of about 30 MPa and in a temperature range of 150 to 170 °C. The c... | 0 | Theoretical and Fundamental Chemistry |
Dimercaprol and dimercaptosuccinic acid are chelating agents that sequester the arsenic away from blood proteins and are used in treating acute arsenic poisoning. The most important side effect is hypertension. Dimercaprol is considerably more toxic than succimer. Dimercaptosuccinic acid monoesters, e.g. MiADMSA, are... | 1 | Applied and Interdisciplinary Chemistry |
Over the years, the utility of molecular logic gates has been explored in a wide range of fields such as chemical and biological detection, the pharmaceutical and food industries, and the emerging fields of nanomaterials and chemical computing. | 0 | Theoretical and Fundamental Chemistry |
Depending on the dosage form and route of administration, mucoadhesives may be used for either local or systemic drug delivery. An overview on the mucoadhesive properties of mucoadhesives is provided by Vjera Grabovac and Andreas Bernkop-Schnürch. The bioavailability of such drugs is affected by many factors unique to ... | 1 | Applied and Interdisciplinary Chemistry |
Asemota conducted PhD research at the University of Benin and Frankfurt University, where she studied the molecular genetics and metabolism of the browning of yam tubers in storage.
Upon moving to Jamaica, prompted by ongoing problems with production and storage in the Jamaican yam industry, Asemota continued researchi... | 1 | Applied and Interdisciplinary Chemistry |
(sorted alphabetically)
* Burapha University
** Department of Chemical Engineering
* Chiang Mai University
** [https://web.archive.org/web/20060221195845/http://www.science.cmu.ac.th/department/ic/ Department of Industrial Chemistry]
* Chulalongkorn University
** [https://web.archive.org/web/20060619212238/http://www.c... | 1 | Applied and Interdisciplinary Chemistry |
Petroleum, also known as crude oil or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name petroleum covers both naturally occurring unprocessed crude oil and petroleum products that consist of refined crude oil.
Petroleum is primari... | 0 | Theoretical and Fundamental Chemistry |
Chowdhury was born on 1 August 1930 to Abdul Aziz Chowdhury, an educationist and Afifa Khatun of Kunja Sreepur village, in Comilla District, Bengal Presidency. | 0 | Theoretical and Fundamental Chemistry |
Small nuclear ribonucleoproteins (snRNPs) assemble in a tightly orchestrated and regulated process that involves both the cell nucleus and cytoplasm. | 1 | Applied and Interdisciplinary Chemistry |
In condensed matter physics, a time crystal is a quantum system of particles whose lowest-energy state is one in which the particles are in repetitive motion. The system cannot lose energy to the environment and come to rest because it is already in its quantum ground state. Time crystals were first proposed theoretica... | 0 | Theoretical and Fundamental Chemistry |
# The critical temperature of the fluid should be well above the highest temperature existing in the proposed cycle. Evaporation of the working fluid — and thus the significant addition of heat — can then ensue at the maximum temperature of the cycle. This results in a relatively high cycle efficiency.
# The slope ds/d... | 0 | Theoretical and Fundamental Chemistry |
The direhorse (Pali in Navi ) is a bioluminescent, hexapodal, superficially equine animal. It is scientifically known as Equidirus hoplites. The Navi use the direhorse to hunt. The direhorse was conceived and designed by Cameron and Stan Winston Studios. The direhorse is grey with blue stripes and stands tall, long. ... | 1 | Applied and Interdisciplinary Chemistry |
When a neurotransmitter is released at a synapse, it reaches its highest concentration inside the narrow space of the synaptic cleft, but some of it is certain to diffuse away before being reabsorbed or broken down. If it diffuses away, it has the potential to activate receptors that are located either at other synaps... | 1 | Applied and Interdisciplinary Chemistry |
Some materials, such as certain silicate minerals, absorb little or no solar radiation, but may still participate in light-driven reactions by mechanisms other than direct transfer of energy to reactants. | 0 | Theoretical and Fundamental Chemistry |
In the United States, the National Weather Service has standardized its measurements on the Class A evaporation pan, a cylinder with a diameter of 47.5 in (120.7 cm) that has a depth of 10 in (25 cm). The pan rests on a carefully leveled, wooden base and is often enclosed by a chain link fence to prevent animals drinki... | 1 | Applied and Interdisciplinary Chemistry |
To understand and predict the behavior of the MR fluid it is necessary to model the fluid mathematically, a task slightly complicated by the varying material properties (such as yield stress).
As mentioned above, smart fluids are such that they have a low viscosity in the absence of an applied magnetic field, but beco... | 1 | Applied and Interdisciplinary Chemistry |
The Kantrowitz limit is a fundamental concept in the Hyperloop, a proposed high-speed transportation system. The Hyperloop moves passengers in sealed pods through a partial-vacuum tube at high-subsonic speeds. As the air in the tube moves into and around the smaller cross-sectional area between the pod and tube, the ai... | 1 | Applied and Interdisciplinary Chemistry |
He was one of the founding members of a Pakistani militant organisation called Ummah Tameer-e-Nau. He was accused of travelling through Afghanistan without notifying the Government of Pakistan. Along with fellow nuclear scientist Sultan Bashiruddin Mahmood, he was arrested in October 2001 in Islamabad by a joint-operat... | 0 | Theoretical and Fundamental Chemistry |
The RNA world hypothesis, if true, has important implications for the definition of life and the origin of life. For most of the time that followed Franklin, Watson and Crick's elucidation of DNA structure in 1953, life was largely defined in terms of DNA and proteins: DNA and proteins seemed the dominant macromolecule... | 0 | Theoretical and Fundamental Chemistry |
A number of lactose derivatives or analogs have been described that are useful for work with the lac operon. These compounds are mainly substituted galactosides, where the glucose moiety of lactose is replaced by another chemical group.
* Isopropyl-β-D-thiogalactopyranoside (IPTG) is frequently used as an inducer of t... | 1 | Applied and Interdisciplinary Chemistry |
Wilkinson was married to Lise Schou, a Danish plant physiologist whom he had met at Berkeley. They had two daughters, Anne and Pernille. | 0 | Theoretical and Fundamental Chemistry |
Trifluoromethanesulfonic acid was first synthesized in 1954 by Robert Haszeldine and Kidd by the following reaction: | 0 | Theoretical and Fundamental Chemistry |
In all of the above examples, the initial nuclide decays into just one product. Consider the case of one initial nuclide that can decay into either of two products, that is and in parallel. For example, in a sample of potassium-40, 89.3% of the nuclei decay to calcium-40 and 10.7% to argon-40. We have for all time :
... | 0 | Theoretical and Fundamental Chemistry |
A strong base deprotonates the dicarbonyl α-carbon. This carbon is preferred over the methyl carbon because the formed enolate is conjugated and thus resonance stabilized. The carbon then undergoes nucleophilic substitution. When heated with aqueous acid, the newly alkylated ester is hydrolyzed to a β-keto acid, whi... | 0 | Theoretical and Fundamental Chemistry |
Formic acid is produced as a primary product from CORR over diverse catalysts.
Catalysts that promote Formic Acid production from CO operate by strongly binding to both oxygen atoms of CO, allowing protons to attack the central carbon. After attacking the central carbon, one proton attaching to an oxygen results in the... | 1 | Applied and Interdisciplinary Chemistry |
To begin to generate an isolobal fragment, the molecule needs to follow certain criteria. Molecules based around main group elements should satisfy the octet rule when all bonding and nonbonding molecular orbitals (MOs) are filled and all antibonding MOs are empty. For example, methane is a simple molecule from which t... | 0 | Theoretical and Fundamental Chemistry |
[https://gallica.bnf.fr/ark:/12148/bpt6k56745752/f70 G. Piobert, Mémoire sur les poudres de guerre, des différents procédés de frabrication (1844)] | 0 | Theoretical and Fundamental Chemistry |
To observe one-to-one binding between a single host (H) and guest (G) using UV/Vis absorbance, the Benesi–Hildebrand method can be employed. The basis behind this method is that the acquired absorbance should be a mixture of the host, guest, and the host–guest complex.
With the assumption that the initial concentration... | 0 | Theoretical and Fundamental Chemistry |
Lucium was the proposed name for an alleged new element found by chemist Prosper Barrière in 1896 in the mineral monazite. Later, William Crookes confirmed that the new element was actually an impure sample of yttrium. | 1 | Applied and Interdisciplinary Chemistry |
Chromatography is a common technique used in the field of Forensic Science. Chromatography is a method of separating the components of a mixture from a mobile phase. Chromatography is an essential tool used in forensic science, helping analysts identify and compare trace amounts of samples including ignitable liquids, ... | 0 | Theoretical and Fundamental Chemistry |
Children may be at greater risk for adverse reactions to repellents, in part, because their exposure may be greater.
Children can be at greater risk of accidental eye contact or ingestion.
As with chemical exposures in general, pregnant women should take care to avoid exposures to repellents when practical, as the fetu... | 1 | Applied and Interdisciplinary Chemistry |
Current association studies have focused on common variation across the genome, as these are the easiest to identify with our current assays. However, disease-causing variants of large effect have been found to lie within exomes in candidate gene studies, and because of negative selection, are found in much lower allel... | 1 | Applied and Interdisciplinary Chemistry |
A typical humic substance is a mixture of many molecules, some of which are based on a motif of aromatic nuclei with phenolic and carboxylic substituents, linked together; the illustration shows a typical structure.
The functional groups that contribute most to surface charge and reactivity of humic substances are phen... | 0 | Theoretical and Fundamental Chemistry |
Fructosephosphates are sugar phosphates based upon fructose, and are common in the biochemistry of cells.
Fructosephosphates play integral roles in many metabolic pathways, particularly glycolysis, gluconeogenesis and the pentose phosphate pathway.
The major biologically active fructosephosphates are:
*Fructose 1-phosp... | 1 | Applied and Interdisciplinary Chemistry |
After graduation Hussein joined Kuwait National Petroleum Company in February 1972 and worked there until April 1980. Then he began to work at Shuaiba refinery (1972-1974). Then he joined planning department in 1977 and his tenure at the department lasted until 1977. From 1977 to 1980 he worked at international marketi... | 1 | Applied and Interdisciplinary Chemistry |
The intracellular degradation of protein may be achieved in two ways—proteolysis in lysosome, or a ubiquitin-dependent process that targets unwanted proteins to proteasome. The autophagy-lysosomal pathway is normally a non-selective process, but it may become selective upon starvation whereby proteins with peptide sequ... | 1 | Applied and Interdisciplinary Chemistry |
Abiotic foldamers are again organic molecules designed to exhibit dynamic folding. They exploit a few known key intermolecular interactions, as optimized by their design. One example is oligopyrroles that organize upon binding anions like chloride through hydrogen bonding (see figure). Folding is induced in the presenc... | 0 | Theoretical and Fundamental Chemistry |
An autoluminograph is a photograph produced by placing a light emitting object directly on a piece of film. A famous example is an autoluminograph published in Science magazine in 1986 of a glowing transgenic tobacco plant bearing the luciferase gene of fireflies placed on Kodak Ektachrome 200 film. | 1 | Applied and Interdisciplinary Chemistry |
An increase in certain hormones such as oestrogen, progesterone, human placental lactogen, human placental growth hormone and cortisol during the second and third trimester of pregnancy cause an increase in insulin resistance. This increase in insulin resistance and following increase in insulin secretion ensures that ... | 1 | Applied and Interdisciplinary Chemistry |
The process is named for its inventor Anson Gardner Betts who filed several patents for this method starting in 1901. | 1 | Applied and Interdisciplinary Chemistry |
Mononuclear complexes feature terminal nitride ligands, typically with short M-N distances consistent with metal ligand multiple bonds. For example, in the anion in PPh[MoNCl], the Mo-N distance is 163.7 pm. The occurrence of terminal nitrido ligands follow the patterns seen for oxo complexes: they are more common fo... | 0 | Theoretical and Fundamental Chemistry |
Improvised nuclear devices (INDs) and nuclear weapons are weapons of mass destruction. They are difficult to acquire, manufacture, refurbish, and handle. While INDs can be constructed to emit only low amounts of radiation making them difficult to detect with RPMs, all INDs emit some amounts of gamma and neutron radiati... | 0 | Theoretical and Fundamental Chemistry |
A volatile corrosion inhibitor (VCI) is a material that protects metals from corrosion. Corrosion inhibitors are chemical compounds that can decrease the corrosion rate of a material, typically a metal or an alloy. NACE International Standard TM0208 defines volatile corrosion inhibitor (VCI) as a chemical substance tha... | 1 | Applied and Interdisciplinary Chemistry |
In Avatar, the Navi are an indigenous species that live on Pandora. They are humanoid in appearance and are tall, having pairs of eyes, ears, arms, legs and feet like humans, as well as a nose, a mouth, and expressions recognizable to humans. The Navi differ from humans in having blue striped skin, pointed and mobile ... | 1 | Applied and Interdisciplinary Chemistry |
A propelling nozzle produces a high velocity exhaust jet. Propelling nozzles turn internal and pressure energy into high velocity kinetic energy. The total pressure and temperature don't change through the nozzle but their static values drop as the gas speeds up.
The velocity of the air entering the nozzle is low, abou... | 1 | Applied and Interdisciplinary Chemistry |
The Journal of Mining and Metallurgy, Section B: Metallurgy is a biannual peer-reviewed scientific journal that covers mining and metallurgy. The editor-in-chief is Dragana Živković (University of Belgrade). Publishing formats include original research articles, review articles, short notices, letters, and book reviews... | 1 | Applied and Interdisciplinary Chemistry |
* High upfront investment in materials and infrastructure.
* High operating costs mostly due to electricity, and system maintenance.
* A need for highly trained staff to monitor and operate the system.
* Higher greenhouse gas emissions than non-recirculating aquaculture. | 1 | Applied and Interdisciplinary Chemistry |
After graduating from Ohio University in 1950, Grasselli Brown was offered a job position at Standard Oil (now BP America) in Cleveland as a project leader. From 1950 to 1978, she worked closely with an instrument called an infrared spectrometer. This device is used to measure the absorbance, emission, and reflection o... | 0 | Theoretical and Fundamental Chemistry |
This was developed independently by R L Blaine of the American National Bureau of Standards, and uses a small glass kerosene manometer to apply suction to the powder bed. It differs from the other methods in that, because of uncertainty of the dimensions of the manometer tube, absolute results can't be calculated from... | 1 | Applied and Interdisciplinary Chemistry |
DNA concentration and purification has been achieved directly from tar sands samples resuspended in buffer using the SCODA technique. DNA sequencing was subsequently performed and tentatively over 200 distinct bacterial genomes have been identified. SCODA has also been used for purification of DNA from many other envir... | 1 | Applied and Interdisciplinary Chemistry |
5-HT and 5-HT receptors are considered very similar, they share amino acid homology and their ligands expose similar binding properties thus they have similar pharmacophore. The pharmacophore model for these receptors ligands is qualitative and defines the relative positions of important groups. It is defined with foll... | 1 | Applied and Interdisciplinary Chemistry |
Over-the-counter preparations containing dextromethorphan have been used in manners inconsistent with their labeling, often as a recreational drug. At doses much higher than medically recommended, dextromethorphan and its major metabolite, dextrorphan, acts as an NMDA receptor antagonist, which produces dissociative ha... | 0 | Theoretical and Fundamental Chemistry |
In the scope of the ASP program, high purity germanium (HPGe) based portal monitors were evaluated. HPGe, having significantly better energy resolution than NaI(Tl), allows rather precise measurement of the isotopes contributing to gamma ray spectra. However, due to very high costs and major constraints such as cryo-co... | 0 | Theoretical and Fundamental Chemistry |
Low-pressure mercury lamps are very similar to a fluorescent lamp, with a wavelength of 253.7 nm (1182.5 THz).
The most common form of germicidal lamp looks similar to an ordinary fluorescent lamp but the tube contains no fluorescent phosphor. In addition, rather than being made of ordinary borosilicate glass, the tube... | 0 | Theoretical and Fundamental Chemistry |
In the thorium cycle, fuel is formed when captures a neutron (whether in a fast reactor or thermal reactor) to become . This normally emits an electron and an anti-neutrino () by decay to become . This then emits another electron and anti-neutrino by a second decay to become , the fuel: | 0 | Theoretical and Fundamental Chemistry |
Mohamed researches diabetes due to a family history of suffering from the disease. His father, mother and brother are diabetics and his concern for the growing number of diabetics worldwide prompted his invention. He developed a remote monitoring and control system for diabetes symptoms. He set about creating an artif... | 0 | Theoretical and Fundamental Chemistry |
Uniformity of Content is a pharmaceutical analysis parameter for the quality control of capsules or tablets. Multiple capsules or tablets are selected at random and a suitable analytical method is applied to assay the individual content of the active ingredient in each capsule or tablet.
The preparation complies if not... | 1 | Applied and Interdisciplinary Chemistry |
The light-harvesting complex (or antenna complex; LH or LHC) is an array of protein and chlorophyll molecules embedded in the thylakoid membrane of plants and cyanobacteria, which transfer light energy to one chlorophyll a molecule at the reaction center of a photosystem.
The antenna pigments are predominantly chloroph... | 0 | Theoretical and Fundamental Chemistry |
Another large class of non-coordinating anions are derived from carborane anion . Using this anion, the first example of a three-coordinate silicon compound, the salt [(mesityl)Si][HCBMeBr] contains a non-coordinating anion derived from a carborane. | 0 | Theoretical and Fundamental Chemistry |
Many ylides may be depicted by a multiple bond form in a resonance structure, known as the ylene form, while the actual structure lies in between both forms:
The actual bonding picture of these types of ylides is strictly zwitterionic (the structure on the right) with the strong Coulombic attraction between the "onium"... | 0 | Theoretical and Fundamental Chemistry |
* [http://www.kwrwater.nl/Waterware/How_does_HyCA_work/ HyCA] Commercial software available from [https://web.archive.org/web/20150601032221/http://www.kwrwater.nl/waterware/ KWR waterware]
* [http://www.rockware.com/product/overview.php?id=150 AqQA] Commercial software available from [http://www.rockware.com/index.php... | 0 | Theoretical and Fundamental Chemistry |
Medieval physicians routinely tasted urine and wrote discourses on their observations. Which physician originally thought that diabetes mellitus was a renal disorder because of glucose discharged in urine is apparently now lost to history. The discovery of insulin eventually led to a diabetes management focus on the p... | 1 | Applied and Interdisciplinary Chemistry |
Simple chemical weapons were used sporadically throughout antiquity and into the Industrial age. It was not until the 19th century that the modern conception of chemical warfare emerged, as various scientists and nations proposed the use of asphyxiating or poisonous gases. So alarmed were nations that multiple internat... | 1 | Applied and Interdisciplinary Chemistry |
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